/*
 * Copyright (c) 2010, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ALKES_TAPPLICATION_H_INCLUDED_
#define ALKES_TAPPLICATION_H_INCLUDED_

#include "alkes/internal.h"
#include "alkes/core/TRefCount.h"
#include "alkes/app/IEventDriver.h"
#include "alkes/app/IEventDispatcher.h"
#include "alkes/media/ImageProvider.h"

namespace alkes {

template<class Derived>
class TApplication
{
public:
    TApplication();
    virtual ~TApplication();

    void setSize(uint16_t width, uint16_t height);

    int run(int argc, char** argv);

protected:
    virtual bool onCreate();
    virtual void onDestroy();

    uint16_t getWidth() const { return width_; }
    uint16_t getHeight() const { return height_; }

private:
    uint16_t width_;
    uint16_t height_;
};

template<class Derived>
TApplication<Derived>::TApplication()
: width_(0)
, height_(0)
{
#if (ALKES_API_WIN32 == 1 && defined(ALKES_DEBUG))
    _CrtSetDbgFlag(
        _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG)|
        _CRTDBG_ALLOC_MEM_DF|
        _CRTDBG_CHECK_ALWAYS_DF|
        /*_CRTDBG_CHECK_CRT_DF|*/
        /*_CRTDBG_DELAY_FREE_MEM_DF|*/
        _CRTDBG_LEAK_CHECK_DF);
#endif
}

template<class Derived>
TApplication<Derived>::~TApplication()
{
}

template<class Derived>
void TApplication<Derived>::setSize(uint16_t width, uint16_t height)
{
    width_ = width;
    height_ = height;
}

template<class Derived>
int TApplication<Derived>::run(int argc, char** argv)
{
    if (!static_cast<Derived*>(this)->initialize(argc, argv))
        return 1;

    int ret = 2;
    if (onCreate())
    {
        IEventDriver* driver = static_cast<Derived*>(this)->getIEventDriver();
        IEventDispatcher* dispatcher = static_cast<Derived*>(this)->getIEventDispatcher();

        if (driver && dispatcher)
        {
            if (dispatcher->onBeginMessageLoop())
            {
                ret = driver->mainloop(dispatcher);

                dispatcher->onEndMessageLoop();
            }
            else
            {
                ret = 4;
            }
        }
        else
        {
            ret = 3;
        }

        onDestroy();
    }

    static_cast<Derived*>(this)->finalize();

    return ret;
}

template<class Derived>
bool TApplication<Derived>::onCreate()
{
    return true;
}

template<class Derived>
void TApplication<Derived>::onDestroy()
{
}

}

#endif
